278261712

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{577}}^1$

素因数の和:805

約数の個数: 120

約数和(自身を含む): 830176776

約数和(自身を除く): 551915064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 197, 204, 272, 306, 394, 408, 577, 591, 612, 788, 816, 1154, 1182, 1224, 1576, 1731, 1773, 2308, 2364, 2448, 3152, 3349, 3462, 3546, 4616, 4728, 5193, 6698, 6924, 7092, 9232, 9456, 9809, 10047, 10386, 13396, 13848, 14184, 19618, 20094, 20772, 26792, 27696, 28368, 29427, 30141, 39236, 40188, 41544, 53584, 58854, 60282, 78472, 80376, 83088, 88281, 113669, 117708, 120564, 156944, 160752, 176562, 227338, 235416, 241128, 341007, 353124, 454676, 470832, 482256, 682014, 706248, 909352, 1023021, 1364028, 1412496, 1818704, 1932373, 2046042, 2728056, 3864746, 4092084, 5456112, 5797119, 7729492, 8184168, 11594238, 15458984, 16368336, 17391357, 23188476, 30917968, 34782714, 46376952, 69565428, 92753904, 139130856, 278261712]

約数ペア:

[(1, 278261712), (2, 139130856), (3, 92753904), (4, 69565428), (6, 46376952), (8, 34782714), (9, 30917968), (12, 23188476), (16, 17391357), (17, 16368336), (18, 15458984), (24, 11594238), (34, 8184168), (36, 7729492), (48, 5797119), (51, 5456112), (68, 4092084), (72, 3864746), (102, 2728056), (136, 2046042), (144, 1932373), (153, 1818704), (197, 1412496), (204, 1364028), (272, 1023021), (306, 909352), (394, 706248), (408, 682014), (577, 482256), (591, 470832), (612, 454676), (788, 353124), (816, 341007), (1154, 241128), (1182, 235416), (1224, 227338), (1576, 176562), (1731, 160752), (1773, 156944), (2308, 120564), (2364, 117708), (2448, 113669), (3152, 88281), (3349, 83088), (3462, 80376), (3546, 78472), (4616, 60282), (4728, 58854), (5193, 53584), (6698, 41544), (6924, 40188), (7092, 39236), (9232, 30141), (9456, 29427), (9809, 28368), (10047, 27696), (10386, 26792), (13396, 20772), (13848, 20094), (14184, 19618)]